Mammillaria polyedra

A clustering Mammillaria with sharply angled tubercles from the dry valleys of Puebla, Oaxaca and Guerrero. It grows in seasonally dry scrub with summer rains, so it wants strong light, a warm wet summer and a dry, cooler winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows on rocky slopes in dry tropical scrub and deciduous forest, often in partial shade of shrubs or among rocks.

Recorded at 763 to 2,346 m, median about 1,340 m.

OaxacaPueblaGuerrero

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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More Mammillaria

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.